Re: [PATCH v4 0/2] Input: gpio-keys - support wakeup pinctrl state

[Kendall Willis]

Hi Francesco,
On 14:59-20261019, Francesco Dolcini wrote:
> Hello Kendall,
> 
> On Mon, Oct 05, 2026 at 03:47:03PM -0500, Kendall Willis wrote:
> > Add 'wakeup' pinctrl state to support separate pin wakeup
> > configurations for GPIO. Upon suspend the 'wakeup' pinctrl state is
> > chosen if it exists. On resume the 'default' pinctrl state is selected.
> > The 'wakeup' pinctrl state allows wakeup from low-power states if a
> > specific pin configuration is needed.
> > 
> > On TI K3 AM62 family of devices, the GPIO controller is turned off in
> > suspend to RAM states, so no interrupt can be received by the
> > controller. This prevents system wakeup from low-power states.
> > Alternatively, the pins can wakeup the system if a wakeup flag is set on
> > the pin by using pinctrl.
> > 
> > A corresponding device tree patch using the 'wakeup' pinctrl state can
> > be found under "arm64: dts: ti: k3-am62l3-evm: add wakeup-source for GPIO
> > button" [1].
> > 
> > Tested GPIO wakeup from suspend on AM62L EVM and AM62P EVM.
> > 
> > [1] https://lore.kernel.org/all/20260912-upstream-gpio-wakeup-dts-v1-1-2057d76c63aa@xxxxxx/
> > 
> > Signed-off-by: Kendall Willis <k-willis@xxxxxx>
> 
> What's the plan/status on this? I see rob reviewed the bindings patch
> (in v3), but the tag is lost here.
> 
> We would benefit for having this merged, Toradex Verdin AM62 needs this
> feature.
> 
> Francesco
>

Thanks for pointing out the lost tag, I will resend the series with it.
Since there are no outstanding comments on the series, hopefully it will
get picked in the next window.

Best,
Kendall